Home / 8,061.21-11,125.17-4,476.86

Finding the Fourth Proportional to 8,061.21, 11,125.17 and 4,476.86

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Solution

The fourth proportional to 8,061.21, 11,125.17 and 4,476.86 is: 6,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.21 : 11,125.17 = 4,476.86 : x
  2. Step 2: Convert to fraction form
    8,061.21/11,125.17 = 4,476.86/x
  3. Step 3: Cross multiply
    8,061.21x = 11,125.17 × 4,476.86
  4. Step 4: Simplify right side
    8,061.21x = 49,805,783.28
  5. Step 5: Solve for x
    x = 49,805,783.28/8,061.21
  6. Step 6: Final answer
    x = 6,178.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.